var data=[
  {  //这个id是给后台用的
    id:1,
    province:{
      name:'安徽',
      city:[
        {
          id:11,
          name:'滁州',
          district:[
            {id:111,name:'来安'},
            {id:112,name:'天长'},
            {id:113,name:'凤阳'},
          ]
        },
        {
          id:12,
          name:'合肥',
          district:[
            {id:121,name:'肥西'},
            {id:122,name:'肥东'},
            {id:123,name:'肥中'},
          ]
        }
      ]
    }
  },

]
